.bigbox{
    width: 1100px;
    height: 1000px;
    margin: 30px auto;
    background: #f5f5f5;
}
.header{
    width: 100%;
    height: 100px;
    background: white;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 5px #ccc;
}

.header1{
    width: 95%;
    height: 90%;
}
.content1{
    width: 100%;
    height: 200px;
    box-shadow: 0 0 5px #ccc;
    background: white;
    margin-top:20px;
    overflow: hidden;
}


.content2{
    width: 100%;
    height: 300px;
    box-shadow: 0 0 5px #ccc;
    margin-top:20px;
    background: white;
    overflow: hidden;
}

.content3{
    width: 100%;
    height: 250px;
    box-shadow: 0 0 5px #ccc;
    margin-top:20px;
    background: white;
    overflow: hidden;
}
.content1 .content1_1{
    width: 95%;
    height: 85%;
    margin-top:20px;
    margin-left: 20px;
}
.content2 .content2_1{
    width: 95%;
    height: 85%;
    margin-top:20px;
    margin-left: 20px;
}
.details_p{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
    font-size: 20px;
    color: #333;
}
.content3 .content3_1{
    width: 95%;
    height: 85%;
    margin-top:20px;
    margin-left: 20px;
}